200402231st Response to Staff.pdf

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TO THE IDAHO PUBLIC UTILITIES COMMISSION
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ZaDy FEE 23 Af:fIO: 00
In the Matter of the Application of Spirit Lake East W ater ()U"'P,J~'~)t
To Increase its Connection Fee
LiTILifiES COf'lr1/SSION
Case No. SPL-O4-
Responses to First Production Request of the Commission Staff
To Spirit Lake East Water Company
To: John R. Hammond, Deputy Attorney General
We have answered the Commission s requests following the numerical order
of the Requests. Employees of Hanson Industries, Inc., the 75% owner of
the Applicant and manager of the water company prepared these answers.
These employees are the Respondents and are identified as follows: Robert
J. Boyle, Vice President ("RJB"); Roxann Middleton, Controller ("RM"
Jim Kruger, maintenance supervisor and certified water technician ("JK"
The Applicant and the Respondents are located at Hanson Industries , Inc.
15807 E. Indiana Avenue, Spokane Valley, WA 99216 [phone];
[phone] Fax; e-mail admin~hansonind.com.
Request No.
Response: Enclosed is a map of the entire area served by the Spirit Lake
East Water Company. The area includes residential lots located in the Spirit
Lake East Community and the Treeport Community. The map is colored
coded to illustrate: (a) lots already connected; (b) lots not connected but the
connection fee paid; and (c) lots not connected and no connection fee paid.
As of today' s date, there are 90 lots yet to have paid for the connection fee: 9
in Treeport; 81 in Spirit Lake East. Spirit Lake East Water Company has 360
potential customers with 270 having paid the connection fee.
Respondents: RJB , RM, JK
Request No.
Response: The Applicant has 3 possible types of connections:
( a) Water Meter Set: the contractor sets the water meter into the water
meter box located on the lot.
(b) Water Meter Box Set and Water Meter Set: the contractor has to set
the water meter box to the service line and then install the water
meter.
(c) Service Line Installed; Water Meter Box Set; Water Meter Set: the
contractor has to enter the roadway and excavate down to the water
main to install the service line and set the corp stop with backflow
preventer and then the water meter box and water meter. Finally,
backfill and compact the roadway for immediate use.
Respondents: RJB, RM, JK
Request No.
Response: We have included the invoices paid for by the Applicant for the
connections/hook ups to demonstrate the actual costs.
Respondents: RM
Request No.
Response: Yes; the Applicant has used the following contractors: 1998-
2001: Kevin Stephens, K. C. Construction, P. O. Box 1455 , Hayden, ID
83835; 200l-present: Frank B. Davis, Davis Excavating, Inc., 669 Silverado
Street, Rathdrum, ID 83858 [phone].
Respondents: RJB , RM
Request No.
Response:
(a) the Contractor does all the field work described in Response No.
above;
(b) Not since 1998. The Applicant solicited interest from contractors in
the area in 1997 and found only one qualified to do the work (to the
State s and Applicant's standards). This original contractor , Kevin
Stephens of Rathdrum ID took over a family business and terminated
his relationship in 2001 with the Applicant. Thereafter, the Applicant
solicited interested and qualified contractors for the work and selected
Frank Davis. The Applicant selected Mr. Davis due to his "hands on
experience and knowledge with the water system and installation
requirements.
(c) Frank Davis has quoted the Applicant fixed prices based on the actual
costs. No bids are necessary.
(d) Please see the invoices produced in Response No.3 above.
Respondents: RJB, RM, JK
Request No.
Response: the contingency was requested due to anticipated, but yet
unknown, increases in the costs of connections (i.e. pipe, corp stops, meters
(such as compliance with new rules for ANSIINSF 61 certification), boxes
labor, equipment, etc.) based on the Applicant fulfilling connection requests
from customers for the next six years (see Response no. 15). A twenty
percent (20%) contingency is consistent with Hanson Industries ' past
practices with engineering, construction and real estate development.
Request No.
Response: Yes; the system was designed by a licensed engineer and
submitted to the State for review as part of Hanson Industries ' development
of the Spirit Lake and Treeport residential communities. The State approved
the system design in 1983 by and through Certificate of Convenience and
Necessity No. 293. The Applicant's water supply is drawn directly from the
Rathdrum aquifer based on a state issued water right. The Applicant's water
right is not limited and the Applicant has no facts to believe it will be in the
future. The Applicant has a 200 000-gallon storage tank filled from the
aquifer which is part of the system. The Applicant's average customer usage
during a typical summer quarter is 3 018 cubic feet.
Respondents: RJB , RM
Request No.
Response: A hook up fee is always charged.
Respondents: RJB, RM
Request No.
Response: A hook up fee is charged only once to a customer.
Respondents: RJB, RM
Request No. 10
Response: The Applicant's annual labor and vehicle expenses are an
allocation of Hanson Industries ' overall costs. The Applicant is part of
Hanson Industries, a multi faceted company doing business in mining,
manufacturing, real estate development and industrial projects.
Respondents: RJB , RM
Request No.
Response: For the purposes of the Applicant's request to increase the
connection/hook up fee:
Year 2002: Labor is same allocation for Mr. Kruger as indicated in the audit
conducted by Ms. Harms or $5 920.20 for the year. Vehicle expense was
calculated as follows: 80 miles round trip from Applicant's yard to SLE/TP
x 3 trips per month (average) x $.375/mile (IRS allowance) for monthly total
expense of$90.00 or $1 080 annually. Labor at $5 920.20 + vehicle at
080 for total of $7 000.20 less 15% (allocation of time not spend at all on
connection field issues) for a total of$5 908.00.
Year 2003: Labor allocation is slightly higher (due to field problems) based
on 38 hours per month. Vehicle allocation the same as '02. Labor at
498.92 + vehicle at $1 080 for total of$8 578.92 less 15% for a total of
292.00.
Respondents: RJB , RM
Request No. 12
Response: same response as Response No.1 0 above, except for the
administrative allocation of expenses.
Respondents: RJB, RM
Request No. 13
Response: the administrative expense is two-fold: first, the expense allocated
to accounting functions; second, the expense allocated to connection/hook
up process (i.e. Handling customer requests, handling contractor requests
obtaining payment (including bad checks), follow up issues with customers
and contractors, issues with customers lenders, issues with our contractor
(scheduling, locates, problems , complaints, etc.
The Applicant's request is for the latter extra ordinary expense and was
calculated based on industry standard costs to perform the work.
Year 2002: industry standard costs of $50.00 per hour for a Controller with
the requisite experience based on 102 hours for a total of$5 200.
Year 2003: industry standard costs of$50.00 per hour for a Controller with
the requisite experience based on 135 hours for a total of$6 760.
Respondents: RJB, RM
Request No. 14
Response: the Applicant had 72 hook ups in years 1999-2003 as follows:
Year 1999: 15 connections
Year 2000: 16 connections
Year 2001: 12 connections
Year 2002: 13 connections
Year 2003: 16 connections
Respondents: RJB, RM
Request No. 15
Response: the Applicant has averaged approximately 15 hook ups per year.
Based on this average, the Applicant has over 6 years to complete all hook
ups in the system. Hook ups are driven totally by customer/market demand
not by the Applicant.
Respondents: RJB, RM
Request No. 16
Response: please see Response No.3 above
Respondents: RJB, RM
Request No. 17
Response: enclosed is the October 30 2001 Spirit Lake East Water
company (PWSNO 1280176) Source Water Assessment Report. This is the
most recent report.
Respondents: RM, JK
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
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Hanson Industries
15102 E. Indiana Ave.
Spokane, WA. 99216
Quantity Description
Set water meter boxes and meter
No.
Lot 140
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JOB NO.
EXPENSE COOE:
ACCCUNT NO.
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APPROVAL
Please remit to above address.
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Date
3/29/2002
Terms
Due on receipt
Rate
1 ,500.
Total
Invoice
Invoice #
Project
Amount
500.
500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Invoice
Date
4/23/2002
Invoice #
Bill To
Hanson Industries
15102 E. Indiana Ave.
Spokane, WA. 99216
No.Terms Project
Lot 223 Due on receipt
Quantity Description Rate Amount
Install water meter--4/12/02 500.500.
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EXPENSE CODE:~c,a J'
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Thank you for your business.Total $500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
O. No.Terms
Date,
6/4/2002
Lot 137 Due on receipt
Quantity Description
Water main tap, and set water meter
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Please remit to above address.
Rate
500.
Total
Invoice
Invoice #
Project
Amount
500.00
500.00
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Invoice
Date
6/4/2002
Invoice #
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, WA. 99216
O. No.Terms Project
Lot 195 Due on receipt
Quantity Description Rate Amount
Water main tap and set water meter 500.500.
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Please remit to above address.Total 500.
Davis Excavating Inc.
669 Silverado s1.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
O. No.
Lo!J9
Description
Tapped main in road. Set meter and boxes. Compacted road and
backfilled.
Quantity
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Date
7/31/2002
Terms
Due on receipt
Rate
500.
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Invoice
Invoice #
104
Project
Amount
500.00 i
500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Invoice
Date
7/31/2002
Invoice #
103
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, VVA. 99216
O. No.Terms Project
:-
Lot -Due on receipt
Quantity Description
---
Rate Amount
Installed meter and replaced top box and lid.550.550.
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Thank you for your business.Total $550.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
O. No.
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Quantity Description
Tapped main in road. Set meter and boxes. Compacted and
backfilled.
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Date
7/31/2002
Terms
Due on receipt
Rate
500.
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Invoice #
102
Project
Amount
500.
500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Invoice
Date
7/31/2002
Invoice #
101
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
O. No.Terms Project
Lot 249 Due on receipt
Quantity Description Rate Amount
Tapped main in road. Set meter and boxes. Compacted and 500.500.
backfilled.
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Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, WA. 99216
Quantity Description
Tap water main in road. Set water meter and boxes.
. "
i Thank you for your business.
Phone #
208-687-9171
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9/5/2002
Project/Job
Lot 256
Rate'
500.
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Total
Invoice
Invoice #
136
Terms
Due on receipt
Amount
500.
500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, WA. 99216
Quantity Description
Tap water main in road. Set water meter.
---
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for your business.
Phone #
208-687-9171
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Date
9/2712002
Project/Job
Lot 166
Rate
500.
Invoice
Invoice #
148
Terms
Due on receipt
Amount
500.
500.
Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Invoice
Date Invoice #
10/1/2002 170
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, WA. 99216
Quantity Description
Tap water main in road. Set water meter.
Project/Job Terms
Lot 238 Due on receipt
Rate Amount
500.500.
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Phone #
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Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
Quantity Description
Install meter and new top box
Backhoe, Labor and Materials
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305
EXPENSE CODE
APPROVAL
Thank you for your business.
Phone #
208-687 -9171
Date
1/3/2003
Invoice
Invoice #
218
Project/Job Terms
Lot 305 Due on receipt
Rate Amount
625.625.
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Davis Excavating Inc.
669 Silverado st.
Rathdrum, Idaho
83858
Bill To
Hanson Industries
15807 E. Indiana Ave.
Spokane, W A. 99216
Description
Tap water-main in road, backfill and compact. Set
water meter.
Quantity
- ,
Thank you for your business.
Phone #
208-687 -9171
EXPENSE CODE
APPROVAL
Date
2/21/2003
Project/Job
Lo(280
500.
Invoice
Invoice #
236
Terms
Due on receipt
Amount
500.
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Total 500.
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FROM: DAtJIS EXCAVATING INC
Davis Excavating Inc.
o. Box 220
Rathdrum, Idaho
83858-0220
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fllimson Industrie
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15807 E. Indiana Ave.
; Spokane, WA 99216
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: Water hook-up. Set water meter
Description
FAX NO. : 6874494_.,,
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EXPENSE CODE
APPROVAL
Apr. 07 2003 08: llAM P3
Invoice
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Amount
500.00"'--. 2,50'0.00 1
FROM :DAUIS EXCAUATING INC FAX NO. : 6874494
Davis Excavating Inc.
O. Box 220
Rathdnnn, Idaho
83858-0220
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Bill Tor-'
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i Hanson Industries
! 15807 E. Indian-a Ave.
;Spokanet WA. 99216
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criPtion
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, Water hook-up. Set meter. and tapped main in
road.
EXPENSE CODE
APPROVAL
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Phone #
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Apr. 05 2003 04:45PM P1
Invoice
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4/4/2003 i - 255. '-
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FRCt1 :DAVIS EXCAVATING INC FAX NO. : 6874494 Apr. 135 2003 134:45PM P2
Davis Excavating Inc.
o. Box 220
Rathdrum., Idaho
83858-0220
Invoice
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~;;'l~ustr i~s
: 15807 E. Indiana Ave.
; Spokane. WA. 99216
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auanti~ Description
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~~ hook-up. s~i ;~t~~~'and t~pped main in
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EXPENSE CODE
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$2,5?~~~.--_no"."'"
Phone #
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'FR1)1 ~ DAV 15 EXCAVAT I NG I NC FAX NO. :6874494 Jun. 04 2003 09:50AM P2
Davis Excavating Inc.
O. Box 220
Rathdnun, Idaho
83858-0220
Invoice
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Bill To
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: Hanson Industries
; 15807 E. Indiana Avc.
: Spokane, WA 99216
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Lot 233 Due on receIpt
Rate Amount
SOO'
Quantity
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Description
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, 2.500.! Tap water-main. set meter boxes and meter
EXPENSE CODE
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Phone #
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ENTERED
JUN '- 9 2003
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. FROM ~DAV I 5 EXCAVAT I NG I NC
Davis Excavating Inc.
o. Box 220
Rathdrum. Idaho
83858-0220
tAX NO. : 6874494.-.. ,-. .-- -. -.-..
Bill To
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" 15807 E. Indiana Ave.
: Spokane~ W A. 99216
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Quantity Description
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. Set meter boxes and meter
EXPENSE CODE
APPROVAL
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Phone #
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Jun. 04 2003 09:51AM Pi
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Amount
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project/Job1-
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Lot 170
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JUN - 9 2003
ACCOUNTING DEPT.
FROM: DAU I S EXCAVAT I NG I FAX NO. : 6874494 Aug. 05 2003 02: 32PM P2
Davis Excavating Inc.
o. Box 220
Rathdrurn, Idaho
83858-0220
Invoice
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: 15807 E. Indiana Ave.
: Spokane, WA, 99216
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SPIRIT LAKE EAST WATER COMPANY (pWSNO 1280176)
SOURCE WATER ASSESSMENT REPORT
~Pl- -11J,O,/-c1J
October 30, 2001 -\c
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Department of Environmental Quality
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Disclaimer: This publication has been developed as part of an informational service for the source water assessments of public water systems
in Idaho and is based on the data available at the time .and the professionaijudgement of the staff. Although reasonable efforts have been made
to present accurate information. no guarantees, including expressed or implied warranties of any kind, are made with respect to this
publication by the state of Idaho or any of its agencies, employees, or agents, who also assume no legal responsibility for the accuracy of
presentations, comments, or other information in this publication. The assessment is subject to modification if new data is produced.
Executive Summary
Under the Safe Drinking Water Act Amendments of 1996, all states are required by the u.S.
Environmental Protection Agency to assess every source of public drinking water for its relative
sensitivity to contaminants regulated by the act. This risk assessment is based on a land use inventory
in the well recharge zone, sensitivity factors associated with how the well was constructed, and aquifer
characteristics.
This report Source Water Assessment for Spirit Lake East Water Company, describes the public
drinking water well; the well recharge zone and potential contaminant sites located inside the recharge
zone boundaries. This assessment, taken into account with local knowledge and concerns, should be
used as a planning tool to develop and implement appropriate protection measures for this public water
system. The results should not be used as an absolute measure of risk and they should not be
used to undermine public confidence in the water system.
A 603-foot deep well pumping from the Rathdrum Prairie Aquifer supplies Spirit Lake East Water
Company drinking water. The water system serves a population of more than 225 people in a
residential neighborhood north of State Highway 54 in the vicinity of Spirit Lake, Idaho. Historically,
Spirit Lake East Water Company has had few water quality problems other than microbial
contamination entering through the distribution system. The system installed a chlorinator in 1996 to
deal with the problem.. A ground water Susceptibility Analysis conducted by the Idaho Department of
Environmental Quality September 27 2001 found the well to be moderately susceptible to all classes
of regulated contaminants. Many factors used to assess vulnerability to contamination are unknown .
because the Spirit Lake East well log is not on file. Nevertheless, the final susceptibility scores for the
well are in line with scores for other wells pumping from the Rathdrum Prairie Aquifer.
This assessment should be used as a basis for determining appropriate new protection measures or re-
evaluating existing protection efforts. No matter what ranking a source receives, protection is always
important. Whether the source is currently located in a "pristine" area or an area with numerous
industrial and/or agriculturalland uses that require education and surveillance, the way to ensure good
water quality in the future is to act now to protect valuable water supply resources.
Because 186 public water systems in Idaho draw water from the Rathdrum Prairie Aquifer, they should
consider forming a regional group to represent their interests before state, county and municipal governing
bodies when regulatory tools like zoning overlays, or enactment of building codes are the most appropriate
ground water protection measures.
In its own service area the Spirit Lake East Water Company system needs to develop a cross
connection control program. The water company should promote proper septic tank maintenance as a
ground water protection measure through educational materials sent with water bills. The system
should develop a written well protection plan than includes regular maintenance of the physical plant.
Due to the time involved with the movement of ground water, source water protection activities should
be aimed at long-term management strategies even though these strategies may not yield results in the
near term. For assistance in developing protection strategies, please contact your regional Department
of Environmental Quality office or the Idaho Rural Water Association.
10/30/01
SOURCE WATER ASSESSMENT FOR SPIRIT LAKE EAST WATER COMPANY
Section 1. Introduction - Basis for Assessment
The following sections contain information necessary for understanding how and why this assessment
was conducted. It is important to review this information to understand what the ranking of this
source means. A map showing the delineated source water assessment area and an inventory of
significant potential sources of contamination identified within that area are included. The ground
water susceptibility analysis worksheets used to develop this assessment are attached.
Level of Accuracy and Purpose of the Assessment
The Idaho Department of Environmental Quality (DEQ) is required by the U.S. Environmental
Protection Agency (EP A) to assess every public drinking water source in Idaho for its relative
susceptibility to contaminants regulated by the Safe Drinking Water Act. These assessments are based
on a land use inventory inside the delineated recharge zones, sensitivity factors associated with how the
well is constructed, and aquifer characteristics. The state must complete more than 2900 assessments
by May of 2003. Because resources and the time available to accomplish assessments are limited, an
in-depth, site-specific investigation for every public water system is not possible.
The results of the source water assessment should not be used as an absolute measure of risk and
they should not be used to undermine public confidence in the water system. The ultimate goal of
this assessment is to provide data to local communities for developing a protection strategy for their
drinking water supply. The Idaho Department of Environmental Quality recognizes that pollution
prevention activities generally require less time and money to implement than treating a public water
supply system once it has been contaminated. DEQ encourages communities to balance resource
protection with economic growth and development. The decision as to the amount and types of
information necessary to develop a source water protection program should be determined by the local
community based on its own needs and limitations. Wellhead or source water protection is one facet of
a comprehensive growth plan, and it can complement ongoing local planning efforts.
10/30/01
Figure 1. Geographic Location of Spirit Lake East Water Company
State ofIdaho
100 200 Miles
f-----I
4 Miles
Section 2. Preparing for the Assessment
Derming the Zones of Contribution - Delineation
The delineation process establishes the physical area around a well that will become the focal point of
the assessment. The process includes mapping the boundaries of the well recharge area into time of
travel zones indicating the number of years necessary for a particle of water flowing through the
aquifer to reach a well. DEQ used a refilled computer model approved by the EP A to determine the
time of travel (TOT) for water pumped from the Rathdrum Prairie Aquifer. The computer model for
Spirit Lake East Water Company used data assimilated by DEQ ITom a variety of sources including
local well logs and pumping volume estimates.
Spirit Lake East Water Company is a community water system with 216 connections serving a
population of more than 225 people in a residential area north of Highway 53 near Spirit Lake (Figure
1). A 603-foot deep well supplies drinking water for Spirit Lake East Water Company customers. The
estimated capacity ofthe well is 500 GPM.
The source water assessment delineation for the Spirit Lake East Water Company well encompasses
nearly 45 acres. The recharge zone curves 1.25 miles north westward from the well, and is divided into
three time of travel zones: 0-3 years, 3-6 years and 6-10 years (Figure 2).
Identifying Potential Sources of Contamination
The goal of the inventory process is to locate and describe those facilities, land uses, and environmental
conditions that are potential sources of ground water contamination. Inventories for all public water
systems in Idaho were conducted in two-phases. The fust phase involved identifying and documenting
potential contaminant sources within a system s source water assessment area through the use of
computer databases and Geographic Information System maps developed by DEQ. A map showing the
delineations and a table summarizing the results of the database search were then sent to system
operators for review and correction during the second or enhanced phase of the inventory process.
Information from the public water system file was also incorporated into the potential contaminant
inventory.
Figure 2 Spirit Lake East Water Company Delineation and Potential Contaminant Inventory on page 7
of this report shows the location of the Spirit Lake East Water Company well, the well recharge zone
DEQ delineated for it, and potential contaminant sites in the vicinity. Land use inside the delineation
boundaries is a mix of woodland and rural residential. Individual septic systems serve homes in the
area.
Many potential sources of contamination are regulated at the federal level, state level, or both to reduce
the risk of release. When a business, facility, or property is identified as a potential contaminant source
this should not be interpreted to mean that this business, facility, or property is in violation of any local
state, or federal environmental law or regulation. What it does mean is that the potential for
contamination exists due to the nature of the business, industry, or operation.
10/30/01
Section 3. Susceptibility Analysis
The susceptibility to contamination of all ground water sources in Idaho is being assessed on the
following factors:
physical integrity of the well
hydrologic characteristics
land use characteristics, and potentially significant contaminant sources
historic water quality
The susceptibility rankings are specific to a particular potential contaminant or category of
contaminants. A high susceptibility rating relative to one potential contaminant does not mean that the
water system is at the same risk for all other potential contaminants. The relative ranking that is
derived for each well is a qualitative, screening-level step that, in many cases, uses generalized
assumptions and best professional judgement. The following summaries describe the rationale for the
susceptibility ranking. The susceptibility analysis worksheet for Spirit Lake East Water Company,
Attachment A, shows in detail how the well was scored.
Well Construction
Well construction directly affects the ability of the wells to protect the aquifer from contaminants.
Lower scores imply a well that can better protect the water. This portion of the susceptibility analysis
relies on information from individual well logs and from the most recent sanitary survey ofthe public
water system. The Spirit Lake East Water Company well log is not on file with DEQ. The Sanitary
Survey conducted July 12, 2000 found the Spirit Lake East Water Company system to be well run and
in compliance with Idaho Rules for Public Drinking Water Systems. No deficiencies in the wellhead
and surface seal were noted.
Because the Spirit Lake East Water Company well log is missing m there is no way to determine
whether the well meets current Idaho Department of Water Resources standards for the casing and
surface seal. The well log also includes lithologic data used to assess soil permeability at the well site.
The static water level in the well is reported to be 577 feet below the ground surface with the pump set
at 587 feet. Water drawn from levels more than 100 feet below the static water level is typically
buffered from most potential contaminants introduced at the land surface.
Table 1. Selected Construction Characteristics of S irit Lake East Water Com any WellWell Total Depth Depth of Surface Depth of Pump Static Water
ft.Seal it) (ft Level (ftWell #1 603 Unknown 587 577
10/30/01
.. !
Figure 2. Spirit Lake East Water Company Delineation and Potential Contaminant Inventory.
1/6"51'1/650'1/6050'
...
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............;
1/6"51'1/650'1/6"50'1/649'
1000 1000 2000 3000 4000 Feet
Legend
Wellhead
(p)
RlCRJS Site AST
Time ofTmvel Zones Business Mailing List Recbarge Point
3YeaIS Dairy SARA TItle m Site (EPCRA)
6YeaIS LUSTSite lJ1iection Well
IOYeaIS
UST Site Groupl Site
Enhanced Inventory Closed Cyanide Site
Business Mailing List .6.Open Landfill
Toxic Release Inventory NPDES Site l1;,t~~Was_or Land App.Site
CERCLIS Site Mine
PWS # 1280176
Spirit Lake East Water Company
Well #1
Hydrologic Sensitivity
Hydrologic sensitivity scores reflect natural geologic conditions at the well site and in the recharge
zone. Information for this part of the analysis is derived from individual well logs and from the soil
drainage classification inside the delineation boundaries. The Spirit Lake East Water Company well
scored 5 points out of 6 points possible in the hydrologic sensitivity portion of the susceptibility
analysis.
Soils in the recharge zone generally are classed as moderately well to well drained. Soils that drain
rapidly are deemed less protective of ground water than slow draining soils. The depth to ground water
is more than 300 feet, which provides a greater opportunity for potential contaminant attenuation
through adsorption and other mechanisms. The composition of the vadose zone, and the presence or
absence of an aquitard at the well site are unknown because the Spirit Lake East well log is not
available. The scores however are typical of other wells on the Rathdrum Prairie where the soil zones
above the water table are known to be gravel and cobbles without a significant clay layer to retard the
vertical transport of contaminants.
Potential Contaminant Sources and Land Use
Figure 2, Spirit Lake East Water Company Delineation and Potential Contaminant Inventory on page 7
shows the location of the Spirit Lake East Water Company system well and the delineated well
recharge zone. Land use inside the delineation boundaries is a mixture of woodland and rural with
homes on individual septic systems. No significant potential contaminant sources are documented
inside the Spirit Lake East Water Company well recharge zone. Roads crossing the delineation
boundaries were discounted in the susceptibility analysis because they carry only low volume local
traffic.
Historic Water Quality
Historically, Spirit Lake East Water Company has had few water quality problems other than microbial
contaminants in the distribution system. The system installed a chlorinator in 1996 to deal with the
problem. Synthetic organic and volatile organic compounds have never been detected in the well.
Radiological contaminants in concentrations below the Maximum Contaminant Level (MCL) have
been present since testing began in 1979. Mercury was present at a concentration above the MCL in a
sample tested in 1979. The presence of the contaminant has not been confirmed in subsequent testing.
Annual nitrate tests show concentrations ranging from undetectable levels to 1.2 mgll. The MCL for
nitrate is 10 mg/l. The inorganic chemical barium (MCL = 2.0 mgll) was detected at concentrations of
024 and 0.02 mg/l in samples tested in 1985 and 1995 respectively. Zinc (MCL = 5.0 mg/l) was
detected at a concentration of 0.048 mgll in a sample tested in 1985. Sodium, an unregulated
contaminant, is present in concentrations ranging between3.23 and 4.2 mg/l.
10/30/01
Final Susceptibility Ranking
The Spirit Lake East Water Company well ranked moderately susceptible to all classes of regulated
contaminants. Many factors used to assess a well's vulnerability to contamination are unknown
because the well log is not available. Nevertheless, the hydrologic sensitivity and system construction
scores counted against the well are in line with scores for other systems pumping from the Rathdrum
Prairie Aquifer. Totals for system construction and hydrologic sensitivity along with the cumulative
scores for land use and potential contaminant sites in the well recharge zone are shown on Table 2.
The final scores for the susceptibility analysis were determined using the following formulas:
1) VOC/SOC/IOC Final Score = Hydrologic Sensitivity + System Construction + (potential
Contaminant/Land Use x 0.2) Microbial Final Score = Hydrologic Sensitivity + System Construction + (potential
Contaminant/Land Use x 0.35)
The fmal ranking categories are as follows:
. 0 - 5 Low Susceptibility
6 - 12 Moderate Susceptibility;:,. 13 High Susceptibility
The complete susceptibility analysis worksheet for the Spirit Lake East Water Company well can be
found in Attachment A.
Table 2 Summa Evaluation
Well
Name System
Construction
Well #1
10/30/01
Section 4. Options for Source Water Protection
The susceptibility assessment should be used as a basis for determining appropriate new protection
measures or re-evaluating existing protection efforts. No matter what the susceptibility ranking a
source receives, protection is always important. Whether the source is currently located in a "pristine
area or an area with numerous industrial and/or agricultural land uses that require education and
surveillance, the way to ensure good water quality in the future is to act now to protect valuable water
supply resources.
An effective source water protection program is tailored to the particular local source water protection
area. The State of Idaho and local health districts have instituted enhanced protection of the ground
water in the Rathdrum Prairie Aquifer because of its high use and uniquely pristine water quality. The
protections are generally aquifer wide and are not aimed at zones of contribution to a specific well or
water system. The Spokane Valley-Rathdrum Prairie Atlas sent to water systems on the prairie when
they were invited to perform an enhanced contaminant inventory, describes some ofthe regional
protection measures.
The 186 public water systems in Idaho that draw water from the Rathdrum Prairie Aquifer should
consider forming a regional group to represent their interests before state, county and municipal
governing bodies when regulatory tools like zoning overlays, or enactment of building codes are the
most appropriate ground water protection measures. These types of measures could be used to protect
the capture zones of a specific system or group of wells that could be put at risk from local land use
changes.
Spirit Lake East Water Company is well run and in compliance with Idaho Rules for Public Drinking
Water Systems. The reservoir and pump house are situated on a deeded lot that is fenced to protect the
well and sanitary setback zone.
The Water Company system needs to develop a cross connection control program. Automatic sprinkler
systems and stock tanks are the likeliest sources of back flow problems in a rural residential area. The
system should develop a written well protection plan than includes regular maintenance ofthe physical
plant. The July 2000 Sanitary survey ofthe system noted on going problems with the reservoir wall
and roof coating that should have been attended to as a matter of routine maintenance and operation of
the utility. The utility needs to revise its rate structure so funds are available to operate the system
properly. Another ground water protection activity the company should consider is sponsoring public
education workshops in its service area and the recharge zone. Septic tank maintenance and safe
household use of pesticides and herbicides are important ground water protection topics in a rural area.
Due to the time involved with the movement of ground water, wellhead protection activities should be
aimed at long-term management strategies even though these strategies may not yield results in the
near term.
10/30/01
Assistance
Public water suppliers and users may call the following IDEQ offices with questions about this
assessment and to request assistance with developing and implementing a local protection plan.
addition, draft protection plans may be submitted to the IDEQ office for preliminary review and
comments.
Coeur d'Alene Regional DEQ Office [phone]
State IDEQ Office [phone]
Website: httv://www2.state.id.us/de
...
Water suppliers serving fewer than 10 000 persons may contact John Bokor, Idaho Rural Water
Association, at(208) 343-7001 for assistance with wellhead protection strategies.
10/30/01
References Cited
Great Lakes-Upper Mississippi River Board of State and Provincial Public Health and Environmental
Managers, 1997. "Recommended Standards for Water Works.
Idaho Department of Agriculture, 1998. Unpublished Data.
Idaho Division of Environmental Quality, 1994. Ground Water and Soils Reconnaissance of the Lower
Payette Area, Payette County, Idaho. Ground Water Quality Technical Report No.5. Idaho Division of
Environmental Quality. December 1994.
Idaho Division of Environmental Quality, 1996. Lower Payette River Agriculture Irrigation Water
Return Study and Ground Water Evaluation, Payette County, Idaho. Water Quality Status Report No.
115.
Idaho Department of Environmental Quality, 1997. Design Standards for Public Drinking Water
Systems. IDAP A 58.01.08.550.01.
Idaho Department of Environmental Quality, 2000. The Spokane Valley-Rathdrum Prairie Aquifer
Atlas.
Idaho Department of Environmental Quality, 2000. City of Fruitland Wellhead Viability Project 319
Grant Final Report July 2000.
Idaho Department of Water Resources, 1993. Administrative Rules ofthe Idaho Water Resource
Board: Well Construction Standards Rules. IDAPA 37.03.09.
Natural Resource Conservation Service, 1991. Idaho Snake-Payette Rivers Hydrologic Unit Plan of
Work. March 1991.
United States Geological Survey, 1986. Quality of Ground Water in the Payette River Basin, Idaho.
United States Geological Survey. Water Resources Investigation Report 86-4013.
University ofIdaho. 1986. Ground Water Resources in a Portion of Payette County, Idaho. Idaho Water
Resources Research Institute. University ofIdaho. Moscow, Idaho. April 1986.
10/30/01
Attachment A
Spirit Lake East Water Company
Susceptibility Analysis
Worksheet
10/30/01
Ground Water Susceptibility
Public Water System Name :SPIRIT LAKE EAST WATER COMPANY
1280176
Source:
9/27/01 10:02:04 AM
SCORE
Public Water System Number:
1. System Construction
Drill Date
Driller Log Available
Sanitary Survey (if yes, indicate date oflast survey)
Well meets IDWR construction standards
Weilliead and surface seal maintained
Casing and annular seal extend to low penneability unit
Highest production 100 feet below static water level
W ell located outside the 100 year flood plain
Totol System Construction Score
2. Hydrologic Sensitivity
Soils are poorly to moderately drained
Vadose zone composed of gravel, &actured rock or 1DIkn0wn
Depth to first water;:. 3oofeet
Aquitard present with ;:. 50 feet cwnulative thickness
Total Hydrologic Score
3. Potential Contaminant / Land Use - ZONE lA (Sanitary Setback)
Land Use Zone IA
Fann chemical use high
IOC, VOC, SOC, or Microbial sources in Zone lA
Total PotentiJd Contaminant SourcelLand Use Score Zone lA
Potential Contaminant / Land Use - ZONE IB ( 3 YR. TOT)
Contaminant sources present (Number of Sources)
(Score = # Sources X 2 ) g Points Maximmn
Sources of Class II or III leacheable contaminants or Microbials
4 Points Maxirnwn
Zone 1 B contains or intercepts a Group 1 Area
Land use Zone 1B
Total PotentiJd Contaminant Source lAnd Use Score Zone IB
7/29/
YES 2000
YES
YES
YES
YES
WOODLAND, RESIDENTIAL
Less Than 25% Agricultural Land
WELL 1
IOC
Score
VOC sac Microbial
Score Score Score
Moderate Moderate
Potential Contaminant / Land Use - ZONE II (6 YR. TOT)
Contaminant Sources Present
Sources of Class II or III leacheable contaminants or Microbials
Land Use Zone II
PotentiJd Contaminant Source lAnd Use Score Zone II
Less than 25% Agricultma1 Land
Potential Contaminant/Land Use-ZONE III (10 YR. TOT)
Contaminant Source Present
Sources of Class II or III leacheable contaminants or Microbials
Is there irrigated agricultural lands that occupy;:' 50% of Zone
Total PotentiJd Contaminant Source Land Use Score -Zone III
Cumulative Potential Contaminant / Land Use Score
4, Final Susceptibility Source Score
10/30/01
5. Final Well Ranking Moderate Moderate
POTENTIAL CONTAMINANT INVENTORY
LIST OF ACRONYMS AND DEFINITIONS
AST Above round Stora e Tanks - Sites with
aboveground storage tanks.
Business Mailin List - This list contains potential
contaminant sites identified through a yellow pages database
search of standard industry codes (SIC).
CERCLIS - This includes sites considered for listing underthe Comprehensive Environmental Response
Compensation and Liability Act (CERCLA). CERCLA
more connnonly known as Superfimd is designed to clean
up hazardous waste sites that are on the national priority list
(NFL).
anide Site - DEQ pennitted and known historical
sites/facilities using cyanide.
Dairy ~ Sites included in the primary contaminant source
inventory represent those facilities regulated by Idaho State
Department of Agriculture (ISDA) and may range from a few
head to several thousand head of milking cows.
Dee ection Well - Injection wells regulated under the
Idaho Department of Water Resources generally for the
disposal of stonnwater runoff or agricultural field drainage.
Enhanced Invento - Enhanced inventory locations are
potential contaminant source sites added by the water system.
These can include new sites not captured during the primary
contaminant inventory, or corrected locations for sites not
properly located during the primary contaminant inventory.
Enhanced inventory sites can also include miscellaneous sites
added by the Idaho Department of Environmental Quality
(DEQ) during the primary contaminant inventory.
Flood lain - This is a coverage of the 100year floodplains.
Grou 1 Sites - These are sites that show elevated levels of
contaminants and are not within the priority one areas.
Inor anic Priorit Area - Priority one areas where greater
than 25% of the wells/springs show constituents higher than
primary standards or other health standards.
Landfill - Areas of open and closed municipal and non-
municipal landfIlls.
LUST eakin Under round Stora e Tan - Potential
contaminant source sites associated with leaking underground
storage tanks as regulated under RCRA.
Mines and uarries - Mines and quarries pennitted through
the Idaho Department of Lands,
Nitrate Priori Area - Area where greater than 25% of
wells/springs show nitrate values above 5mg/l.
10/30/01
NPDES National Pollutant Dischar Elimination
ste - Sites with NPDES pennits. The Clean Water Act
requires that any discharge of a pollutant to waters of the
United States from a point source must be authorized by an
NPDES pennit.
anic Priori Areas - These are any areas where greater
than 25 % of wells/springs show levels greater than 1 % of the
primary standard or other health standards.
Rechar e Point - This includes active, proposed, and
possible recharge sites on the Snake River Plain.
RICRIS - Site regulated under Resource Conservation
Recove Act RA). RCRA is connnonly associated
with the cradle to grave management approach for
generation, storage, and disposal of hazardous wastes.
SARA Tier n erfund Amendments and
Reauthorization Act Tier n Facilities - These sites store
certain types and amounts of hazardous materials and must be
identified under the Connnunity Right to Know Act.
Toxic Release Inventor
y (
TRI - The toxic release
inventory list was developed as part of the Emergency
Planning and Connnunity Right to Know (Community Right
to Know) Act passed in 1986. The Connnunity Right to
Know Act requires the reporting of any release of a chemical
found on the TRI list.
UST nder ound Stora e Tank)- Potential contaminant
source sites associated with underground storage tanks
regulated as regulated under RCRA.
Wastewater Land A lications Sites - These are areas
where the land application of municipal or industrial.
wastewater is pennitted by DEQ.
Wellheads - These are drinking water well locations
regulated under the Safe Drinking Water Act. They are not
treated as potential contaminant sources.
NOTE: Many of the potential contaminant sources were
located using a geocoding program where mailing addresses
are used to locate a facility. Field verification of potential
contaminant sources is an important element of an enhanced
inventory.
Where possible, a list of potential contaminant sites unable to
be located with geocoding will be provided to water systems
to determine if the potential contaminant sources are located
within the source water assessment area.
SPL- W -04-
LARGE MAP
SEE CASE FILE